package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping
    @ApiOperation("新增菜品")
    public Result insert(@RequestBody DishDTO dishDTO) {
        dishService.insert(dishDTO);

        // 清理缓存数据 规定的key为dish_categoryid
        // 通用操作中delete方法
        String key = "dish_" + dishDTO.getCategoryId(); // 前端传过来的category_id
        cleanCache(key);

        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> pageQuery(DishPageQueryDTO dishPageQueryDTO) {
        log.info("分页查询请求参数为{}", dishPageQueryDTO);

        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result deleteBatch(Long[] ids) {
        dishService.deleteBatch(ids);

        cleanCache("dish_*");

        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable String id) {
        DishVO dishVO = dishService.getById(id);
        return Result.success(dishVO);
    }

    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List> list(String categoryId) {
        List<Dish> dishList = dishService.list(categoryId);
        return Result.success(dishList);
    }

    @PostMapping("/status/{status}")
    @ApiOperation("起售，禁售菜品")
    public Result dishStatus(@PathVariable String status, String id) {
        dishService.dishStatus(status, id);

        cleanCache("dish_*");

        return Result.success();
    }

    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO) {
        dishService.update(dishDTO);

        cleanCache("dish_*");

        return Result.success();
    }

    private void cleanCache(String pattern){
        // 清除缓存数据 直接全删
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
